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package com.mudalov.rec.web.tiles.common;

import com.mudalov.rec.web.*;
import com.mudalov.rec.dao.factory.DAOFactory;
import com.mudalov.rec.dao.interfaces.IAdminDAO;
import com.mudalov.rec.dao.interfaces.IStudentDAO;
import com.mudalov.rec.dao.interfaces.ITeacherDAO;
import com.mudalov.rec.dao.model.user.Role;
import com.mudalov.rec.dao.model.user.Student;
import com.mudalov.rec.dao.model.user.Admin;
import com.mudalov.rec.dao.model.user.Teacher;
import com.mudalov.rec.util.webui.DropDownHelper;
import com.mudalov.rec.util.webui.MessagesHelper;
import com.sun.rave.web.ui.appbase.AbstractFragmentBean;
import com.sun.webui.jsf.component.PageAlert;
import com.sun.webui.jsf.model.Option;
import com.sun.webui.jsf.model.SingleSelectOptionsList;
import javax.faces.FacesException;
import javax.faces.context.FacesContext;
import javax.servlet.http.HttpSession;

/**
 * <p>Fragment bean that corresponds to a similarly named JSP page
 * fragment.  This class contains component definitions (and initialization
 * code) for all components that you have defined on this fragment, as well as
 * lifecycle methods and event handlers where you may add behavior
 * to respond to incoming events.</p>
 *
 * @version LoginFragment.java
 * @version Created on 29.11.2008, 17:37:22
 * @author MU
 */

public class LoginFragment extends AbstractFragmentBean {
    // <editor-fold defaultstate="collapsed" desc="Managed Component Definition">

    /**
     * <p>Automatically managed component initialization. <strong>WARNING:</strong>
     * This method is automatically generated, so any user-specified code inserted
     * here is subject to being replaced.</p>
     */
    private void _init() throws Exception {
    }
    private SingleSelectOptionsList dropDown1DefaultOptions = new SingleSelectOptionsList();

    public SingleSelectOptionsList getDropDown1DefaultOptions() {
        return dropDown1DefaultOptions;
    }

    public void setDropDown1DefaultOptions(SingleSelectOptionsList ssol) {
        this.dropDown1DefaultOptions = ssol;
    }
    // </editor-fold>

    public LoginFragment() {
    }

    /**
     * <p>Callback method that is called whenever a page containing
     * this page fragment is navigated to, either directly via a URL,
     * or indirectly via page navigation.  Override this method to acquire
     * resources that will be needed for event handlers and lifecycle methods.</p>
     * 
     * <p>The default implementation does nothing.</p>
     */
    @Override
    public void init() {
        // Perform initializations inherited from our superclass
        super.init();
        // Perform application initialization that must complete
        // *before* managed components are initialized
        // TODO - add your own initialiation code here
        
        
        // <editor-fold defaultstate="collapsed" desc="Visual-Web-managed Component Initialization">
        // Initialize automatically managed components
        // *Note* - this logic should NOT be modified
        try {
            _init();
        } catch (Exception e) {
            log("Page1 Initialization Failure", e);
            throw e instanceof FacesException ? (FacesException) e: new FacesException(e);
        }
        
        // </editor-fold>
        // Perform application initialization that must complete
        // *after* managed components are initialized
        // TODO - add your own initialization code here
        HttpSession session = (HttpSession) FacesContext.getCurrentInstance().getExternalContext().getSession(false);
        session.invalidate();
        this.dropDown1DefaultOptions.setOptions(getRoleOptions());
        factory = DAOFactory.getFactory(getSessionBean1().getDaoFactoryClass());
        if (pageAlert != null) {
            pageAlert.setVisible(false);
        }
    }

    /**
     * <p>Callback method that is called after rendering is completed for
     * this request, if <code>init()</code> was called.  Override this
     * method to release resources acquired in the <code>init()</code>
     * resources that will be needed for event handlers and lifecycle methods.</p>
     * 
     * <p>The default implementation does nothing.</p>
     */
    @Override
    public void destroy() {
    }

    /**
     * <p>Return a reference to the scoped data bean.</p>
     *
     * @return reference to the scoped data bean
     */
    protected SessionBean1 getSessionBean1() {
        return (SessionBean1) getBean("SessionBean1");
    }

    /**
     * <p>Return a reference to the scoped data bean.</p>
     *
     * @return reference to the scoped data bean
     */
    protected ApplicationBean1 getApplicationBean1() {
        return (ApplicationBean1) getBean("ApplicationBean1");
    }

    /**
     * <p>Return a reference to the scoped data bean.</p>
     *
     * @return reference to the scoped data bean
     */
    protected RequestBean1 getRequestBean1() {
        return (RequestBean1) getBean("RequestBean1");
    }

    private Option[] getRoleOptions() {
        return new DropDownHelper(getSessionBean1()).getRoleOptions();
    }

    public String hyperlink1_action() {
        // TODO: Process the action. Return value is a navigation
        // case name where null will return to the same page.
        Role.Type selectedRole= Role.Type.valueOf((String)this.dropDown1DefaultOptions.getSelectedValue());
        switch (selectedRole) {
            case ADMIN :
                return checkAdmin();
            case STUDENT:
                return checkStudent();
            case TEACHER:
                return checkTeacher();
        }
        return null;
    }

    private DAOFactory factory;

    private String login = "";

    private String password = "";

    public DAOFactory getFactory() {
        return factory;
    }

    public void setFactory(DAOFactory factory) {
        this.factory = factory;
    }

    public String getLogin() {
        return login;
    }

    public void setLogin(String login) {
        this.login = login;
    }

    public String getPassword() {
        return password;
    }

    public void setPassword(String password) {
        this.password = password;
    }

    private PageAlert pageAlert = new PageAlert();

    public PageAlert getPageAlert() {
        return pageAlert;
    }

    public void setPageAlert(PageAlert pageAlert) {
        this.pageAlert = pageAlert;
    }

    private String checkStudent() {
        IStudentDAO studentDAO = factory.getStudentDAO();
        Student student = studentDAO.getStudent(login, password);
        if (student != null) {
            getSessionBean1().setCurrentUser(student);
            getSessionBean1().setCurrentStudent(student);
            return "studentLogged";
        } else {
            MessagesHelper.processWarnAlert(pageAlert,
                    MessagesHelper.getMessage("login_failed"));
            return null;
        }
    }

    private String checkAdmin() {
        IAdminDAO adminDAO = factory.getAdminDAO();
        Admin admin = adminDAO.getAdmin(login, password);
        if (admin != null) {
            getSessionBean1().setCurrentUser(admin);
            return "adminLogged";
        } else {
            MessagesHelper.processWarnAlert(pageAlert,
                    MessagesHelper.getMessage("login_failed"));
            return null;
        }
    }

    private String checkTeacher() {
        ITeacherDAO teacherDAO = factory.getTeacherDAO();
        Teacher teacher = teacherDAO.getTeacher(login, password);
        if (teacher != null) {
            getSessionBean1().setCurrentUser(teacher);
            return "teacherLogged";
        } else {
            MessagesHelper.processWarnAlert(pageAlert,
                    MessagesHelper.getMessage("login_failed"));
            return null;
        }
    }
}
